Re: [PATCH 2/4] ext4: don't use bdev->bd_super in __ext4_journal_get_write_access

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To: Christoph Hellwig <hch@xxxxxx>
Subject: Re: [PATCH 2/4] ext4: don't use bdev->bd_super in __ext4_journal_get_write_access
From: "Theodore Ts'o" <tytso@xxxxxxx>
Date: Tue, 8 Aug 2023 10:33:38 -0400
Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx>, Christian Brauner <brauner@xxxxxxxxxx>, Andreas Dilger <adilger.kernel@xxxxxxxxx>, Mark Fasheh <mark@xxxxxxxxxx>, Joel Becker <jlbec@xxxxxxxxxxxx>, Joseph Qi <joseph.qi@xxxxxxxxxxxxxxxxx>, Jens Axboe <axboe@xxxxxxxxx>, linux-fsdevel@xxxxxxxxxxxxxxx, linux-ext4@xxxxxxxxxxxxxxx, ocfs2-devel@xxxxxxxxxxxxxxx, linux-block@xxxxxxxxxxxxxxx
In-reply-to: <20230807112625.652089-3-hch@lst.de>
References: <20230807112625.652089-1-hch@lst.de> <20230807112625.652089-3-hch@lst.de>

On Mon, Aug 07, 2023 at 12:26:23PM +0100, Christoph Hellwig wrote:
> __ext4_journal_get_write_access already has a super_block available,
> and there is no need to go from that to the bdev to go back to the
> owning super_block.
> 
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>

Acked-by: Theodore Ts'o <tytso@xxxxxxx>

References:
- remove bdev->bd_super
  - From: Christoph Hellwig
- [PATCH 2/4] ext4: don't use bdev->bd_super in __ext4_journal_get_write_access
  - From: Christoph Hellwig

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